Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
api.lastlookdata.com
LastLook Data — home purchase market bundle: current mortgage rate, median sale price, monthly payment estimate, income required to qualify, and affordability level. Directly answers whether a buyer can afford a median home.
darrylbots.com
Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution
capitol.lonestaroracle.xyz
US congressional (Senate+House) stock trades; ?symbol= for a ticker
obol-x402.fly.dev
Bitcoin market-intelligence digest for trading and portfolio agents: one call returns the current Bitcoin market REGIME (calm / active-stress / mixed) synthesized from cross-exchange spot + price-divergence integrity, fee/congestion regime …
transit402.dev
Active subway service alerts with direction, severity, and estimated delay minutes
x402-crypto-data.vercel.app
Top DeFi yield pools with APY/TVL, filterable by chain (DefiLlama).
web-production-78e17.up.railway.app
Summarize and compress text, Markdown, or JSON into a structured summary. Output as prose, bullets, headline, or TLDR, with optional exact target word count. Built for agent and document pipelines.
action402.vercel.app
Paid webhook/API execution for autonomous agents. Executes one public HTTPS action after x402 payment, applies retries and idempotency, then returns a signed receipt with request hash, response hash, target, status, and attempt count.
denpyo-api.hp-vladic.workers.dev
OCR a Japanese invoice (請求書) into JSON — vendor, line items, 8%/10% consumption-tax (消費税) breakdown — and verify the qualified-invoice registration number (適格請求書 インボイス登録番号 / T番号, T+13 digits) against Japan's National Tax Agency (国税庁) regist…
orionkr.xyz
Cheapest starter checkout for narrow wallet-risk probes. Pay 0.005 USDC once; no query params required for a catalog-probe sample. Returns wallet exposure, unsafe token concentration, suspicious counterparties, portfolio risk, and the exact…
rugsense.xyz
The launch-lifecycle risk desk for Base. Scores freshly-launched Base tokens into one machine-actionable AVOID/WATCH/HOT decision (0-100 composite + transparent per-signal checks, deterministic, no LLM) and follows every verdict to its outc…
riskpulse.theaslangroupllc.com
Earthquake activity check, deterministic. Answers "any recent earthquakes near this location", "how seismically active is this area right now". Queries the USGS FDSN event catalog near a lat/lon within a radius (or the global M5+ feed when …
stableflare.dev
Capture a screenshot of any URL or HTML. Returns a PNG or JPEG image. Supports full-page, element selection, custom viewport.
api.node4all.com
Node4All pdf2md — layout-aware PDF → Markdown (pdf2md) conversion powered by @opendocsg/pdf2md, ideal for ingesting long documents into agent context windows. Accepts a multipart "file" upload (application/pdf, ≤10MB) and returns text/markd…
gateway.sanfoundation.com
Search the open web for a topic and return ranked results with relevant excerpts. Each result includes the source URL, page title, publish date when known, and the excerpts the underlying ranker scored as most relevant.
thevaultreport.com
COMEX daily delivery notices: issues and stops with the house-vs-customer split, per CME product and contract month. Read from CME's daily Issues and Stops report and reconciled against its own printed totals. Contract counts are per produc…
x402-stock-indicators.vercel.app
Analyst sentiment and short interest for a US stock in one call: recommendation trend, consensus price targets, recent upgrades/downgrades by firm, and short interest with month-over-month change -- rising short interest into price weakness…
www.bitcoind.app
Complete list of all Bitcoin Core RPC methods (summaries). One call replaces up to 142 individual lookups. Returns name, category, summary, and parameter count for every method.
stablepeopledata.dev
PDL Company Search - Search across 30M+ company records using Elasticsearch DSL or SQL queries. Returns matching company records with pagination via scroll_token. Price scales with the requested `size` (1 PDL credit per result).
nanobanana-x402.fly.dev
Generate an AI image from a text prompt using Google Gemini 3.1 Flash Image. Returns base64-encoded PNG. Optional aspectRatio (1:1, 16:9, 9:16, 3:2, 2:3, 4:3, 3:4, 4:5, 5:4, 21:9). Backed by Google's Gemini image preview model — fast, high-…
trust402.vercel.app
Produce a concrete quote and approval payload for a multi-resource purchase path without spending.
api.phoneagent.xyz
PhoneAgent — countries with rentable SMS phone numbers for AI agents. Returns 190+ supported countries, each with the number of services offered and the cheapest price tier ($1, $2, or $5 USDC). Add ?service=<alias> (e.g. tg, wa, go, zo for…
x402.swaphunt.dev
SwapHunt — a crypto market-context toolkit for trading agents: live prices, market regime, volatility, sentiment, funding, macro events, seasonality and anti-FOMO sanity checks, all pay-per-call. This route returns a single asset's live spo…
mimirapi.com
Paid liveness probe for the MimirAPI counter. Returns pong, the SKU id, and a server timestamp. One tenth of a cent buys a complete challenge, sign, settle, serve round trip — the cheapest possible proof that your x402 client wiring works b…
hash-hmac.underscoredone.com
Give this API any text or binary data and it instantly returns its fingerprint under whichever hash algorithms you choose — SHA-256, SHA-512, MD5, BLAKE2, CRC32, and more. It also signs data with a secret key (HMAC) and, most importantly, s…
json-suite.underscoredone.com
Every AI agent and developer runs into broken or confusing JSON constantly. This tool handles all the most common JSON headaches in one place: check if JSON is valid (with exact error location), fix near-JSON that has typos or formatting mi…
induction.aarei.ai
Screen an entity or alias name against the OFAC SDN list. Exact match on a normalised string only (trim, collapse whitespace, NFC, casefold). Returns 503 if the list has never loaded (deny-on-error policy).
search.gedx402.com
Open-web search — one x402 POST discovers SERP candidates, ranks with BGE embeddings, optional page snippets. $0.370 USDC per request. Pseudo-Exa via headless browser + semantic rank. Agent search: web search, exa, firecrawl, serp, semantic…
cloud.hyrule.host
Hyrule Cloud is pay-per-use infrastructure for AI agents on AS215932: IPv6-native compute, outbound requests over Direct, Tor, I2P, or Yggdrasil, BGP/routing intelligence, IP/ASN intelligence, DNS diagnostics, blocklist membership checks, f…
dicta-notes.com
Transcribe short audio fast: POST JSON with an audio_url (voicemail, call recording, voice memo, podcast clip — up to 15 min) and get Gemini-powered transcript JSON back with speaker-labeled, timestamped segments — any spoken language, auto…
midway.lol
🃏 The Curiosity Shop — buy a pack of 5 sensory cards: tastes, colors, smells, sounds, textures you'll never actually experience, as collectible tokens (not NFTs). Rarity-weighted, 5th card Uncommon-or-better. Complete a sense for a soulboun…
stem.x402.press
Ask a multi-domain question combining chemistry, physics, and math computation.
space.x402.press
Multi-source AI space reasoning via DeepSeek. Accepts any natural language question about celestial events, planets, moons, asteroids, comets, meteor showers, eclipses, satellites, ISS, rocket launches, space weather, stars, or deep-sky obj…
zk.quickai.build
Quick ZK Auth v1.0.1 — Semaphore ZK wallet ownership on Base plus USDC balance attestation at snapshot block (not ZK-hidden balance in v1). ERC-8004 bundles with x402 payment binding.
earth.x402.press
Multi-source AI Earth intelligence via DeepSeek. Accepts any natural language question about Earth — weather, air quality, marine conditions, earthquakes, volcanoes, species, seasons, climate, polar ice, and tides.
mortgage-amortization.underscoredone.com
Give this API a loan amount, an interest rate, and a repayment term, and it hands back the precise monthly payment plus a complete schedule showing — for every single month — how much goes to interest, how much reduces the balance, and what…